Improvement in alarm-bells



' (1H. SMITH.

Alarm-Bell.

No; 210,974. Patented Dec. i7, @878.

WITNESSES INVENTOR ca (15/ y/IA/ $2 BY W ATTORNEYS.

N.PETERS. PHOTO-LITHOGBAPHER. WASHWGTON. o C

UNITED STATES PATENT @FFTQE.

CHARLEY H. SMITH,

OF DELPHOS, OHIO.

IMPROVEMENT IN ALARM-BELLS.

Specification forming part of Letters Patent No. 210,974, dated December17, 1878; application filed October 28, 1878.

To all whom it may concern:

Be it known that I, GHARLEY H.S3r1r11,of Delphos, in the county of VanW'ert and State of Ohio, have invented a new and useful Improvement inFire-Alarms, of which the following is a specification:

Figure l is a side view of my improved device, the framework being shownin section, and part being broken away to show the con struction. Fig. 2is a front view of the same, part of the frame-work being broken away.

Similar letters of reference indicate correspondin parts.

The object of this invention is to furnish an improved fire-alarm whichshall be simple in construction and easily and conveniently operated.

A represents a frame secured in or formin g a part of the lower story ofan engine-house, fire-tower, or other building. B represents aframe-work secured in or forming a part of the belfry of anengine-house, fire-tower, or other building. To the upper part of theframe B is attached a bell, (J. D are two bellhammers, the handles ofwhich pass down through and are pivoted to a timber, 1), secured to themiddle part of the frame B.

To the handles of the hammers D, a little above their lower ends, arepivoted the ends of two bars, E, the outer ends of which havescrew-threads formed upon them, pass through the lower ends of thesprings F, and are secured in place by nuts screwed upon them, so thatthey may be adjusted to regulate the blows of the hammers D, as may bedesired.

In bearin gs attached to the frame B revolves a shaft, G, to which isattached a wheel, H, direct-1y beneath the hell 0, and between the lowerends of the handles of the bell-hammers D.

To the sides of the wheel. H are attached four pins or blocks, 1, two toeach side, and

in such positions that the four pins or blocks may be equally distantfrom each other, so that the two bell-hammers may be operatedalternately and at equal intervals of time.

Around the wheel H passes a wire, cord, or other band, J, which alsopasses around a wheel, K, attached to a shaft, L. The shaft L works inbearings attached to the frame work A, and to one of its journals isattached a crank-wheel, M, by means of which the alarm is operated.

Against the band J rests a wheel, N, which is pivoted to a block, 0,sliding in ways a, attached to the frame A. In the block 0 is formed ascrew-hole, or to it is attached a nut to receive the screw P, which isswiveled to the frame A, and has a crank, Q, formed upon or attached toits outer end, by means of which it is operated.

'With this col'istrnction, by turning the crank M the hammers I) will bedrawn back from the hell 0 alternately and at equal intervals by thepins or blocks 1, and when released from the said pins or blocks will bethrown forward by the action of the springs F, striking the hell withstrong sharp blows.

Having thus described my invention, I claim as new and desire to secureby Letters Patent The combination, in a frame, A B, with the hell 0, ofthe two hammers D, pivoted to timber b, the two en dpiv0ted bars 11,passing through the lower ends of springs F, the rotary shaft G, havingwheel H, with two pins, I, on each side, and the band J, connectingwheel H with a pulley on the crank-shaft L, as and for the purposespecified.

OHARLEY H. SMITH.

W'itnesses:

O. (J. MAnsHALL, HENRY LINDEMANN.

